Ecobase Fastfit Shed Base kits are designed to provide a firm long lasting base on which to install a garden building. Each kit consists of strong, heavy-duty plastic grids that click together, and a sheet of weed resistant membrane to stop weeds growing under the floor. The kit is lightweight and simple to install following the instructions provided - it is a lot lighter and easier to handle than paving flags and less messy and much quicker than laying a wet-mix concrete slab. Ecobase Fastfit Shed Base kits are suitable for most timber framed garden buildings including sheds, summer houses, log cabins, log stores, cycle shelters, wheelie bin stores, and workshops. Suits all makes and styles of timber garden building rainwater drains through the cavities to earth keeping the floor bearers dry and ventilated - tough recycled plastic grids with Integral T-shaped self-fastening connectors - made from 100% recycled UK sourced post-consumer waste - supplied with a sheet of weed-resistant membrane cut to size - lightweight, easy-to-carry and easy to manoeuvre into position – can be decorated with aggregate in the exposed cells near perimeter - rot proof and chemically inert - no maintenance needed.